Frequent urination isn't necessarily a symptom of low sodium levels. Because sodium is a vital mineral for proper body functions, very low levels can lead to serious health complications. If you suspect you have low sodium levels, speak to a doctor as soon as possible. Frequent urination can also be a symptom of other conditions.
Low Sodium
A low sodium level in the blood is medically termed, hyponatremia. A healthy sodium level ranges from 135 to around 145 mEq/L, according to MedlinePlus. If sodium levels drop to around 110 mEq/L for a period of time, it is considered serious hyponatremia, which in some cases can trigger a seizure. Other hyponatremia symptoms include nausea, vomiting, cramps, fatigue, dizziness and headaches.
Kidneys
Some sodium is excreted from the body in urine. Your kidneys regulate how much sodium passes from the blood into the urine. They also help regulate the amount of urine you produce. Both frequent urination and low sodium levels can indicate kidney problems. Sodium may also leave the body through your sweat. This is why athletes often need to replenish their sodium levels and electrolytes, as well as fluids, after training.
Diuretics
Diuretic medication and diuretic foods cause you to produce more urine. Rarely, these can cause problems. However, if you take too much diuretic medicine or use diuretics for too long, your urination may become too frequent, lowering your sodium level. Drinking very large volumes of water can have the same effect.
Considerations
Frequent urination often signals other problems. For example, it can indicate a urinary tract infection. It's also a common symptom of diabetes or of prostate inflammation. Pregnant women may also urinate more frequently due to extra pressure on the bladder. Other more serious potential problems include neurological disorders or bladder cancer -- though these are far less likely.
References
- MedlinePlus; Sodium - Blood; David C. Dugdale, III, M.D.; Nov. 15, 2009
- Netwellness; Sodium Level; Joanna M Brell, M.D.; March 12,2008
- Netwellness; Corrections For low Sodium Levels; June 7, 2007
- Linus Pauling Institute; Sodium (Chloride); Jane Higdon, Ph.D.; Feb 2004
- University of Maryland Medical Center; Frequent or Urgent Urination - Overview; Scott M. Gilbert, M.D.; May 22, 2008
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